Patent US3244814A successfully refreshed from Google Patents.
US3244814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Communication system
Assignee: AT&T Inc
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Filing: 1963-03-14
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Granted: 1966-04-05
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Expires: 1983-03-14
Abstract
No abstract record available.
Inventors
- 👤 Zarouni Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:20
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/42; H04Q3/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
IN A COMMUNICATION SYSTEM WHEREIN LINES ARE ARRANGED TO RECEIVE AND TO TRANSMIT DATA REPRESENTED BY SERIALLY RELATED ELECTRICAL PULSES: (1) A PLURALITY OF LINES EACH COMPRISING (A) MEANS RESPONSIVE TO RECEIVED DATA PULSES FOR GENERATING SUCCESSIVE INCOMING CONTROL PULSES CORRESPONDING IN TIME OCCURRENCE TO SUCCESSIVE RECEIVED DATA PULSES WHERE SAID INCOMING CONTROL PULSE OCCURRENCE RATE IS RANDOMLY VARIABLE FROM LINE TO LINE, (B) AND MEANS FOR GENERATING LOCAL CONTROL PULSES AT AN OCCURRENCE RATE LOCAL TO AND INDIVIDUAL TO SAID LINE AND INDEPENDENT OF SAID INCOMING CONTROL PULSE RATE WHERE SAID LOCAL PULSE OCCURRENCE RATE IS RANDOMLY VARIABLE FROM LINE TO LINE; (2) MEANS COMMON TO SAID LINES FOR GENERATING DIFFERENT-DISCRETE-TIME-SLOT CONTROL PULSES FOR DIFFERENT LINES, (A) EACH SAID COMMON CONTROL PULSE BEING OF A GIVEN PULSE WIDTH INTERVAL, (B) AND THE TIME-SLOT RECURRENCE RATE BEING AT LEAST AS FAST AS THE FASTEST OF SAID INCOMING AND LOCAL PULSE RATES; (3) AND, MEANS IN EACH LINE CONTROLLED BY SAID THREE GENERATING MEANS FOR CAUSING SAID LINE (A) TO PROCESS RECEIVED DATA PULSES ONLY DURING ITS INDIVIDUAL TIME-SLOT BUT AT THE SAID INCOMING PULSE RATE, (B) AND TO PROCESS TRANSMITTED DATA PULSES ONLY DURING ITS INDIVIDUAL TIME-SLOT BUT AT THE SAID LOCAL PULSE RATE.
Claim 2
Dependent Claim
204 words
IN A COMMUNICATION SYSTEM WHEREIN LINES ARE ARRANGED TO RECEIVE AND TO TRANSMIT DATA REPRESENTED BY SERIALLY RELATED ELECTRICAL PULSES: (1) A PLURALITY OF LINES EACH COMPRISING (A) MEANS RESPONSIVE TO RECEIVED DATA PULSES FOR GENERATING SUCCESSIVE INCOMING CONTROL PULSES CORRESPONDING IN TIME OCCURRENCE TO SUCCESSIVE RECEIVED DATA PULSES WHERE SAID INCOMING CONTROL PULSE OCCURRENCE RATE IS RANDOMLY VARIABLE FROM LINE TO LINE, (B) AND MEANS FOR GENERATING LOCAL CONTROL PULSES AT AN OCCURRENCE RATE LOCAL TO AND INDIVIDUAL TO SAID LINE AND INDEPENDENT OF SAID INCOMING CONTROL PULSE RATE WHERE SAID LOCAL PULSE OCCURRENCE RATE IS RANDOMLY VARIABLE FROM LINE TO LINE; (2) MEANS COMMON TO SAID LINES FOR GENERATING DIFFERENT-DISCRETE-TIME-SLOT CONTROL PULSES FOR DIFFERENT LINES, (A) EACH SAID COMMON CONTROL PULSE BEING OF A GIVEN PULSE WIDTH INTERVAL, (B) AND THE TIME-SLOT RECURRENCE RATE BEING AT LEAST AS FAST AS THE FASTEST OF SAID INCOMING AND LOCAL PULSE RATES; (3) AND, MEANS IN EACH LINE CONTROLLED BY SAID THREE GENERATING MEANS FOR CAUSING SAID LINE (A) TO PROCESS RECEIVED DATA PULSES ONLY DURING ITS INDIVIDUAL TIME-SLOT BUT AT THE SAID INCOMING PULSE RATE, (B) AND TO PROCESS TRANSMITTED DATA PULSES ONLY DURING ITS INDIVIDUAL TIME-SLOT BUT AT THE SAID LOCAL PULSE RATE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |